LED Display Module and LED Display Device

Abstract

The present disclosure provides an LED display module and an LED display device. The LED display module includes a display module body and a lock. The lock includes: a lock seat arranged on a rear side of the display module body; a lock cylinder rotatably arranged in the lock seat; a locking member; an interference member rotatably sleeved on the lock cylinder and spaced apart from the locking member along the axial direction of the lock cylinder, the interference member having an interference position where the interference member locates on a front side of a connecting beam for lifting up the display module body and an avoidance position where the interference member avoids the connecting beam; and an elastic linkage member arranged between the locking member and the interference member. When the locking member is in an unlocking position, the interference member is driven to an interference position by the elastic linkage member. When the locking member rotates from the unlocking position to a locking position, the interference member rotates from the interference position to the avoidance position.

What is claimed is: 
     
         1 . A Light Emitting Diode (LED) display module mounted on a connecting beam of a box, the LED display module comprising a display module body and a lock, the lock comprising:
 a lock seat arranged on a rear side of the display module body;   a lock cylinder rotatably arranged in the lock seat;   a locking member connected with the lock cylinder and rotating synchronously with the lock cylinder, the locking member having a locking position abutting against a rear side of the connecting beam to lock the display module body on the connecting beam, and an unlocking position avoiding the connecting beam, so that the display module body is separable from the box;   an interference member rotatably sleeved on the lock cylinder, the interference member being spaced apart from the locking member along an axial direction of the lock cylinder, the interference member having an interference position where the interference member locates on a front side of the connecting beam to lift forward the display module body and an avoidance position where the interference member avoids the connecting beam; and   an elastic linkage member arranged between the locking member and the interference member,   wherein when the locking member is in the unlocking position, the interference member is driven to the interference position by the elastic linkage member, and when the locking member rotates from the unlocking position to the locking position, the interference member rotates from the interference position to the avoidance position.   
     
     
         2 . The LED display module according to  claim 1 , wherein the interference member comprises a rotating sleeve sleeved outside of the lock cylinder and an interference arm connected with an outer side wall of the rotating sleeve, a first end of the elastic linkage member is connected with the locking member, and a second end of the elastic linkage member is connected with the interference arm. 
     
     
         3 . The LED display module according to  claim 2 , wherein the elastic linkage member comprises a torsion spring, an end portion of a first torsion arm of the torsion spring is inserted into the locking member, and an end portion of a second torsion arm of the torsion spring is inserted into the interference arm. 
     
     
         4 . The LED display module according to  claim 2 , wherein the interference member further comprises a first drive block connected with the outer side wall of the rotating sleeve, the first drive block is spaced apart from the interference arm, the locking member comprises a locking arm and a second drive block arranged on a side of the locking arm facing the rotating sleeve, a dimension of the interference arm extending along a radial direction of the rotating sleeve is greater than a dimension of the first drive block extending along a radial direction of the rotating sleeve, and the second drive block is in drive fit with the first drive block so that the interference member is driven to rotate from the interference position to the avoidance position when the locking member rotates from the unlocking position to the locking position. 
     
     
         5 . The LED display module according to  claim 1 , wherein the lock cylinder comprises a lock plate rotatably arranged at the lock seat and a cylinder rod penetrating through the lock plate, a front portion of the cylinder rod is provided with a front operating hole, and a rear portion of the cylinder rod is in rotation stopping fit with the locking member. 
     
     
         6 . The LED display module according to  claim 5 , wherein the lock seat is provided with a first limiting portion, the lock plate is provided with a second limiting portion in limiting fit with the first limiting portion, and the first limiting portion is in limiting fit with the second limiting portion so as to limit a rotation range of the lock plate, so that the locking member is switched between the unlocking position and the locking position. 
     
     
         7 . The LED display module according to  claim 6 , wherein the first limiting portion comprises a limiting column, the second limiting portion comprises a limiting hole, the limiting column penetrates through the limiting hole, the limiting hole extends along a circumferential direction of the lock plate, the limiting column has a first limiting position and a second limiting position in limiting fit with hole side walls at two ends of the limiting hole respectively, when the limiting column is in the first limiting position, the locking member is in the unlocking position, and when the limiting column is in the second limiting position, the locking member is in the locking position. 
     
     
         8 . The LED display module according to  claim 5 , wherein the lock further comprises a positioning ball and a first positioning hole and a second positioning hole in positioning fit with the positioning ball, the positioning ball is arranged on the lock seat, the first positioning hole and the second positioning hole are spaced apart on the lock plate, when the positioning ball is in positioning fit with the first positioning hole, the locking member is maintained in the unlocking position, and when the positioning ball is in positioning fit with the second positioning hole, the locking member is maintained in the locking position. 
     
     
         9 . The LED display module according to  claim 1 , wherein
 the display module body is mounted on the connecting beam through a plurality of magnetic attraction structures, each of the plurality of the magnetic attraction structures comprises a first magnetic attraction member and a second magnetic attraction member in magnetic attraction fit, the first magnetic attraction member is arranged on the display module body, and the second magnetic attraction member is arranged on the connecting beam; and   there are a plurality of locks, at least one of the plurality of the locks is adjacent to one of the plurality of magnetic attraction structures, and when the interference member of the lock is in the interference position, the interference member is located between the first magnetic attraction member and the second magnetic attraction member of the magnetic attraction structure adjacent the interference member.   
     
     
         10 . An LED display device comprising a box and an LED display module, the display module body being mounted on a connecting beam of the box, wherein the LED display module is the LED display module according to  claim 1 . 
     
     
         11 . The LED display device according to  claim 10 , wherein the interference member comprises a rotating sleeve sleeved outside of the lock cylinder and an interference arm connected with an outer side wall of the rotating sleeve, a first end of the elastic linkage member is connected with the locking member, and a second end of the elastic linkage member is connected with the interference arm. 
     
     
         12 . The LED display device according to  claim 11 , wherein the elastic linkage member comprises a torsion spring, an end portion of a first torsion arm of the torsion spring is inserted into the locking member, and an end portion of a second torsion arm of the torsion spring is inserted into the interference arm. 
     
     
         13 . The LED display device according to  claim 11 , wherein the interference member further comprises a first drive block connected with the outer side wall of the rotating sleeve, the first drive block is spaced apart from the interference arm, the locking member comprises a locking arm and a second drive block arranged on a side of the locking arm facing the rotating sleeve, a dimension of the interference arm extending along a radial direction of the rotating sleeve is greater than a dimension of the first drive block extending along a radial direction of the rotating sleeve, and the second drive block is in drive fit with the first drive block so that the interference member is driven to rotate from the interference position to the avoidance position when the locking member rotates from the unlocking position to the locking position. 
     
     
         14 . The LED display device according to  claim 10 , wherein the lock cylinder comprises a lock plate rotatably arranged at the lock seat and a cylinder rod penetrating through the lock plate, a front portion of the cylinder rod is provided with a front operating hole, and a rear portion of the cylinder rod is in rotation stopping fit with the locking member. 
     
     
         15 . The LED display device according to  claim 14 , wherein the lock seat is provided with a first limiting portion, the lock plate is provided with a second limiting portion in limiting fit with the first limiting portion, and the first limiting portion is in limiting fit with the second limiting portion so as to limit a rotation range of the lock plate, so that the locking member is switched between the unlocking position and the locking position. 
     
     
         16 . The LED display device according to  claim 15 , wherein the first limiting portion comprises a limiting column, the second limiting portion comprises a limiting hole, the limiting column penetrates through the limiting hole, the limiting hole extends along a circumferential direction of the lock plate, the limiting column has a first limiting position and a second limiting position in limiting fit with hole side walls at two ends of the limiting hole respectively, when the limiting column is in the first limiting position, the locking member is in the unlocking position, and when the limiting column is in the second limiting position, the locking member is in the locking position. 
     
     
         17 . The LED display device according to  claim 14 , wherein the lock further comprises a positioning ball and a first positioning hole and a second positioning hole in positioning fit with the positioning ball, the positioning ball is arranged on the lock seat, the first positioning hole and the second positioning hole are spaced apart on the lock plate, when the positioning ball is in positioning fit with the first positioning hole, the locking member is maintained in the unlocking position, and when the positioning ball is in positioning fit with the second positioning hole, the locking member is maintained in the locking position. 
     
     
         18 . The LED display device according to  claim 10 , wherein
 the display module body is mounted on the connecting beam through a plurality of magnetic attraction structures, each of the plurality of the magnetic attraction structures comprises a first magnetic attraction member and a second magnetic attraction member in magnetic attraction fit, the first magnetic attraction member is arranged on the display module body, and the second magnetic attraction member is arranged on the connecting beam; and   there are a plurality of locks, at least one of the plurality of the locks is adjacent to one of the plurality of magnetic attraction structures, and when the interference member of the lock is in the interference position, the interference member is located between the first magnetic attraction member and the second magnetic attraction member of the magnetic attraction structure adjacent the interference member.